this derivation will be built:
  /nix/store/x2is0n280n4ncaa60qvchlq7qibghnvx-dependency-sources.drv
building '/nix/store/x2is0n280n4ncaa60qvchlq7qibghnvx-dependency-sources.drv'
dependency-sources> structuredAttrs is enabled

upload niks3: ok